參數(shù)資料
型號(hào): TMS44400PDGA
廠商: Texas Instruments, Inc.
英文描述: 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
中文描述: 1048576字4位動(dòng)態(tài)隨機(jī)存取記憶體
文件頁數(shù): 8/25頁
文件大?。?/td> 657K
代理商: TMS44400PDGA
TMS44400, TMS44400P, TMS46400, TMS46400P
1048576-WORD BY 4-BIT
DYNAMIC RANDOM-ACCESS MEMORIES
SMHS562C – MAY 1995 – REVISED NOVEMBER 1996
8
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
capacitance over recommended ranges of supply voltage and operating free-air temperature,
f = 1 MHz (see Note 6)
PARAMETER
MIN
MAX
UNIT
Ci(A)
Ci(RC)
Ci(OE)
Ci(W)
Co
NOTE 6: VCC = 5 V
±
.5 V for the TMS44400 devices, VCC = 3.3 V
±
0.3 V for the TMS46400 devices, and the bias on pins under test is 0 V.
Input capacitance, A0–A10
5
pF
Input capacitance, CAS and RAS
7
pF
Input capacitance, OE
7
pF
Input capacitance, W
7
pF
Output capacitance
7
pF
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature
PARAMETER
’4x400-60
’4x400P-60
’4x400-70
’4x400P-70
’4x400-80
’4x400P-80
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tAA
tCAC
tCPA
tRAC
tOEA
tCLZ
tOFF
tOEZ
NOTE 7: tOFF is specified when the output is no longer driven.
Access time from column address
30
35
40
ns
Access time from CAS low
15
18
20
ns
Access time from column precharge
35
40
45
ns
Access time from RAS low
60
70
80
ns
Access time from OE low
15
18
20
ns
CAS to output in low impedance
0
0
0
ns
Output-disable time after CAS high (see Note 7)
0
15
0
18
0
20
ns
Output-disable time after OE high (see Note 7)
0
15
0
18
0
20
ns
A
相關(guān)PDF資料
PDF描述
TMS44400PDJ 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
TMS46400PDJ 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
TMS46400PDGA 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
TMS46400DGA 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
TMS46400DJ 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES
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